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Date: Mon, 15 Dec 2014 15:18:41 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Kevin Oberman <rkoberman@gmail.com>
Subject: Re: Mounting swap partition
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Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>,
 Net Warrior <netwarrior863@gmail.com>
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On Mon, 15 Dec 2014, Kevin Oberman wrote:

> On Mon, Dec 15, 2014 at 8:50 AM, Net Warrior <netwarrior863@gmail.com>
> wrote:
>
>> Hi Steve
>> After disabling gpt and gptid at boot the swap is back
>>
>> root@:~ # swapinfo
>> Device          1K-blocks     Used    Avail Capacity
>> /dev/ada0p2       2097152        0  2097152     0%
>>
>> Thank you very much.
>>
>
> While this works, I find it best to leave gpt in place and then use gpart
> to label all partitions (except swap which does not support it)

Umm....

> and use glabel to label swap.

GPT labels are stored in the metadata, so swap can have a GPT label just 
like all the other partitions.  Maybe you are thinking of UFS filesystem 
labels?

> Now everything is named and there should never be any confusion. You can
> see why I leave gpt labels enabled. Here is my fstab:
> # Device    Mountpoint        FStype    Options        Dump    Pass#
> /dev/gpt/swap    none            swap    sw        0    0
^^^^^^^^^^^^^^^
That is a GPT label right there.